Microbes in Production of Biogas — Prelims Questions

Which of the following microbial groups is primarily responsible for the production of methane in a biogas plant?

Which of the following gases is the most abundant and combustible component of biogas?

Which of the following is NOT a benefit of biogas production?

In the sequential process of anaerobic digestion, which stage immediately precedes methanogenesis?

Why is the presence of oxygen detrimental to the efficient production of biogas?

In India, which two institutions have been instrumental in developing and popularizing biogas technology, particularly 'gobar gas' plants?